private void tsmiShip_Click(object sender, EventArgs e) { ShipInfoInfo sinfo = ShipInfoInfo.CreateForm();; sinfo.MdiParent = this; sinfo.Show(); }
public static ShipInfoInfo CreateForm() { if (_single == null) { _single = new ShipInfoInfo(); } else { _single.Activate(); } return(_single); }
private void this_FormClosed(object sender, FormClosedEventArgs e) { _single = null; }